APA-referens (7:e uppl.)

Keedy, M. L., Bittinger, M. L., & Beecher, J. A. (1993). Developmental mathematics (3rd ed.). Addison-Wesley Pub. Co.

Chicago-referens (17:e uppl.)

Keedy, Mervin Laverne, Marvin L. Bittinger, och Judith A. Beecher. Developmental Mathematics. 3rd ed. Reading, Mass: Addison-Wesley Pub. Co, 1993.

MLA-referens (9:e uppl.)

Keedy, Mervin Laverne, et al. Developmental Mathematics. 3rd ed. Addison-Wesley Pub. Co, 1993.